Example of the first type of Boyle's air-pump, made on the continent. Marked with a French lily and a little vase. Perhaps made in France. In the Rijksmuseum voor de Geschiedenis der Natur weten schappen at Leyden.

Licence: Attribution 4.0 International (CC BY 4.0)

Credit: Example of the first type of Boyle's air-pump, made on the continent. Marked with a French lily and a little vase. Perhaps made in France. In the Rijksmuseum voor de Geschiedenis der Natur weten schappen at Leyden. Wellcome Collection. Source: Wellcome Collection.